Half-Life 2 SDK Mirrors

Three.js loader for parsing Valve's Source Engine models

Notepad VDF Language Plugins

A custom Source Engine level editor written in Go

A vscode extension that adds intelligent support for source engine file types and operations

Garry's Mod RCON Binary module for controlling RCON authentication directly from Lua

Programmatically modify VMF files.

VMF to JSON and back again

Mobile Forces Source

CS:S SDK

Walks a directory and outputs all the files with their relative, and fully qualified paths. Can be used with BSPZIP.

Script for Blender to export your geometry to .vmf (Valve Map Format)

The complete source code of Contingency, a Half-Life 2 modification built using the Source engine.

Source sprays

Backup your maps with one click